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    • 2. 发明申请
    • COMPOSITIONS AND METHODS FOR THE DIAGNOSIS OF, AND VACCINATION AGAINST, HEPATITIS C VIRUS (HCV)
    • HEPATITIS C病毒(HCV)诊断和疫苗接种的组合物和方法
    • WO1996037606A1
    • 1996-11-28
    • PCT/US1996007378
    • 1996-05-22
    • BIONOVA CORPORATIONLIAO, Jaw-ChingWANG, Cheng-nan
    • BIONOVA CORPORATION
    • C12N15/11
    • C07K14/005A61K39/00C07K16/109C12N2770/24222
    • The unprocessed core protein region initially translated from the genome of HCV contains epitopic configurations that are not retained in the processed proteins. In particular, the core protein loses an epitopic configuration upon processing at the cleavage site between the genomic region (e.g., gene) encoding the core protein and the genomic region encoding the adjacent envelope region. The unprocessed epitopic configuration of the core region provides an improved ability to detect the presence of HCV, or antibodies to HCV, in a sample, including an unpurified sample or a sample of very small volume (which can be particularly helpful when testing a sample from an infant or other person having very little blood (or other suitable material) available for testing). Combining the unprocessed core region with a non-structural protein (such as an NS5 or an NS3-NS4 fusion) results in a synergistic effect that greatly enhances the already improved sensitivity and specificity provided by the unprocessed core region. The unprocessed epitopic configuration of the core region also provides an improved ability to induce an immune response upon administration of the core region into an animal.
    • 最初从HCV基因组翻译的未处理的核心蛋白区域含有不保留在加工的蛋白质中的表位构型。 特别地,当在编码核心蛋白质的基因组区域(例如,基因)和编码相邻包膜区域的基因组区域之间的切割位点处理时,核心蛋白质失去表位构型。 核心区域的未加工的表位构型提供了检测样品中HCV或HCV抗体的存在的改进能力,包括未纯化的样品或非常小体积的样品(其可以特别有用,当从 婴儿或其他可用于测试血液(或其他合适的材料)的人)。 将未加工的核心区域与非结构蛋白质(例如NS5或NS3-NS4融合体)结合可产生协同效应,从而大大增强已经提高的未加工核心区域的灵敏度和特异性。 核心区域的未加工的表位构型还提供了在将核心区域施用到动物中时诱导免疫应答的改进能力。